CN101700707A - Heat and sound insulation explosion preventing film and production method and application thereof - Google Patents
Heat and sound insulation explosion preventing film and production method and application thereof Download PDFInfo
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Abstract
The invention relates to a heat and sound insulating material, in particular to a production method and application of a heat and sound insulation explosion preventing film. The heat and sound insulation explosion preventing film comprises three layers of materials, wherein the middle layer is polyvinyl chloride, and both side layers are polyvinyl butyral; an infrared absorbing agent, an ultra-violet absorbing agent, a hindered amine light stabilizer and an antioxidant are respectively added into the middle layer and both side layers; and the infrared absorbing agent is a mixture of nano titanium dioxide and nano calcium hexaboride. In the preparation method, the film is obtained on the basis of a multi-layer coextrusion casting film extruding technology by optimizing the process condition. The heat and sound insulation explosion preventing film is mainly used for being made into laminated glass. The explosion preventing film has favorable heat and sound insulating function and overcomes the defect of easy shrinkage and deformation in the production of traditional plastic films.
Description
Technical field
The present invention relates to the preparation field of thermal and sound insulating materials, be specifically related to a kind of production method and application of heat-insulating sound-insulating rupture pressure disc.
Background technology
Progress along with the human lives, development of science and technology, people require also more and more higher to quality of life, on the other hand, because the influence of Global Greenhouse Effect is more and more significant, it is particularly evident that the temperature rises, moreover, industrialized development has brought very important noise pollution, and old friends seek thermal and sound insulating materials efficiently.It is more to have heat insulation and sound insulation materials with function at present, and form is also a lot, and the rupture pressure disc that wherein has the heat-insulating sound-insulating function has the fewer of report.
Summary of the invention
At the defective of prior art, the purpose of this invention is to provide a kind of heat-insulating sound-insulating rupture pressure disc.
Another object of the present invention provides the production method of above-mentioned sound-insulating and heat-insulating rupture pressure disc.
A further object of the present invention provides the concrete application of above-mentioned sound-insulating and heat-insulating rupture pressure disc.
Purpose of the present invention realizes by following technical scheme:
A kind of heat-insulating sound-insulating rupture pressure disc is made of trilaminate material, and the intermediate layer is a polyvinyl chloride, and the both sides surface layer is a polyvinyl butyral resin; Be added with infrared absorbent, ultra-violet absorber, hindered amine as light stabilizer and antioxidant in described intermediate layer and the side facing respectively; Described infrared absorbent is the mixture of nano titanium oxide and nanometer six calcium borides.
As preferably, the proportioning of described polyvinyl butyral resin and polyvinyl chloride is 5: 4-2: 1.
As preferably, in the described intermediate layer, with the polyvinyl chloride quality is benchmark, the antioxidant addition is 0.05%-0.5%, the ultra-violet absorber addition is 0.1%-0.5%, the hindered amine as light stabilizer addition is 0.05%-0.6%, and the addition of nanometer six calcium borides is 0.06%-0.18%, and the addition of nano titanium oxide is 0.08%-0.8%.
As preferably, in the described side facing, with the polyvinyl butyral resin quality is benchmark, the antioxidant addition is 0.05%-0.5%, the ultra-violet absorber addition is 0.1%-0.5%, the hindered amine as light stabilizer addition is 0.05%-0.6%, and the addition of nanometer six calcium borides is 0.06%-0.18%, and the addition of nano titanium oxide is 0.08%-0.8%.
As preferably, in the described intermediate layer, also add processing aid ACR-401, be benchmark with the polyvinyl chloride quality, addition is 1%-2%.
As preferably, in the described side facing, be benchmark with the polyvinyl butyral resin quality, also add plasticizer triethylene glycol two tricaprylates of 10%-35%.
As preferably, described ultra-violet absorber is that the special UV-531 of company of U.S.'s cyanogen is or/and vapour crust light stabilizer UV81; Described hindered amine as light stabilizer is that the TINUVIN-770 of production of Ciba company is or/and chimassorb-944; Irgafos-168 or irganox1010 that described antioxidant is produced for Ciba company.
As preferably, in finished film, the thickness in described intermediate layer is 0.1mm-0.3mm, and side facing is 0.1mm-0.3mm.
The present invention also provides the production method of described heat-insulating sound-insulating rupture pressure disc, is the laminated film that the method for utilizing multi-layer co-extruded casting films to extrude makes.Multi-layer co-extruded casting films extruding technology is that a kind of different plastics with two or more utilize extruder more than 2 or 2 to converge to the compound die head in a multithread road by distributor, produce the laminated film of sandwich construction, and pass through the technology of chill roll moulding.Adopt this method can produce the film of various different materials, and has very high machining accuracy, especially when processing hypocrystalline thermoplastic, this processing method can be brought into play the performance of machined material fully, can keep best dimensional accuracy simultaneously again.Prepared casting films has the good optical property and the thickness uniformity, and owing to adopt chill roll can obtain very high speed of production, and improve the morphosis of film.
On the basis of multi-layer co-extruded casting films extruding technology, the invention provides following preferred concrete steps:
(1) batching: take by weighing intermediate layer and the required material component of side facing respectively in described ratio;
(2) stir: be stirred to material and be uniformly dispersed, control the change in concentration of each material in matrix and be no more than 4%; The temperature of control whipping process is not higher than 60 ℃;
(3) multi-layer co-extruded: intermediate layer and side facing material are dropped into two respectively in the same way in the feeding mouth of engagement type double screw extruder,, the temperature of extruder charge door is 〉=100 ℃, the stage casing temperature is 130 ℃-190 ℃, 120 ℃-150 ℃ of discharging opening temperature; Material is through heating and the shearing of screw rod, mixing one-tenth molten condition, filter by net-changing device then, again by the measuring pump voltage stabilizing, entering distributor distributes, in the middle of the intermediate layer material is positioned at, the side facing material converges to die head in both sides by distributor, and die head becomes three-layer co-extruded composite membrane sheet to the material stretching and extrudes;
(4) curtain coating: adjust the film that comes out behind the thickness from the extruder die head and spend or natural Cheng Wen through roll-in; Described natural Cheng Wen be temperature by cooling device control die head at 130 ℃-140 ℃, when film leaves the mould mouth, cool off with chill roll, make the decorative pattern typing;
(5) cooling: with the cold wind cooling, temperature is 15 ℃-20 ℃;
(6) batch: control hauling speed well, reduce the internal stress of film, speed is 1.5m/min-5m/min.For the shrinkage that makes film drops to minimum, in the process of traction, the curtain coating speed of hauling speed and film controlled well is particularly important, under curtain coating speed that regulates film and prerequisite that hauling speed is complementary, could drop to minimum to the internal stress of film, thereby reach the shrinkage that reduces film.
Wherein, in the step (3), more preferably, require the change in concentration of each material in matrix to be no more than 3%, even do not surpass 1%.
Heat-insulating sound-insulating rupture pressure disc of the present invention mainly can be used for making laminated glass, and this laminated glass is mainly used in the manufacturing field of motor-vehicle glass window and building doors and windows.
With respect to prior art, the present invention has following beneficial effect:
Rupture pressure disc of the present invention has good heat-insulating sound-insulating function, overcomes the shortcoming of the easy contraction distortion of conventional plastic film production simultaneously.Rupture pressure disc of the present invention contains nano titanium oxide and nanometer six calcium borides, and its heat-proof quality is better than the single thermal isolation film of tradition, and the present invention has the double-deck effect of reflective sound wave and absorption sound wave with the technology preparation of MULTILAYER COMPOSITE, and its soundproof effect is obvious.And rupture pressure disc of the present invention is little with respect to traditional acoustic material volume, and cleaning is difficult for advantages such as the moisture absorption easily.
Comprise in the method for the present invention that die head forms the technology of decorative pattern naturally, adopt this technology not need the pressure roller embossing, can reduce production costs, and simple to operation.
Description of drawings
Fig. 1 is the structural representation of coextruded multilayer composite distributor.
Fig. 2 is the schematic diagram of die head nature Cheng Wen.
Fig. 3 is the structural representation of multithread road composite membrane head.
Fig. 4 is a sound insulation experimental provision schematic diagram.
Fig. 5 is heat insulation experimental provision schematic diagram.
Fig. 6 is the variation relation figure of noisemeter reading and experimental period in the sound insulation experiment.
Fig. 7 is the variation relation figure of temperature reading and experimental period in the heat insulation experiment.
The specific embodiment
Embodiment 1
(1) takes by weighing 1.73 kilograms of polyvinyl chloride, processing aid ACR-401 17.3 grams, ultraviolet absorbent UV-531 1.73 grams, antioxidant irgafos-168 0.87 gram, hindered amine as light stabilizer TINUVIN-770 0.87 gram, nanometer six calcium borides 1.04 grams, nano titanium oxide 3.11 grams, this is a component one; Take by weighing nanometer six calcium borides 2.07 grams, nano titanium oxide 2.76 grams, ultraviolet absorbent UV-531 3.45 grams, hindered amine as light stabilizer TINUVIN-770 1.725 grams, antioxidant irgafos-168 1.725 grams, 0.35 kilogram of triethylene glycol two tricaprylate, 3.45 kilograms of polyvinyl butyral resins.This is a component two.
Stir: the above-mentioned material for preparing is dropped in the horizontal mixer separately stir.Mixing speed is 50 rev/mins and stirs.Mixing time is 10 minutes.Stirring is uniformly dispersed material.Require the change in concentration of each material in matrix to be no more than 4%, be no more than 3% especially, be no more than 1% especially again.In whipping process,,,, the stall machine, treat that material cools off the back and continues to stir if temperature surpasses 60 ℃ so in whipping process, note variation of temperature because friction can make material temperature rise.
Multi-layer co-extruded: be positioned over mix in the flat mixer after, two groups of materials are dropped into two respectively in the same way in the feeding mouth of engagement type double screw extruder, because the gap is less between the screw rod of extruder, and the formation screw shaped travels forward, in the conjugation district bigger relative velocity is arranged, so material has obtained good mixing and plasticizing, the temperature of extruder charge door is 〉=100 ℃, the stage casing temperature is 130 ℃-190 ℃, 120 ℃-150 ℃ of discharging opening temperature.Material is through heating and the shearing of screw rod, mixing one-tenth molten condition, filter by net-changing device then, again by the measuring pump voltage stabilizing, entering distributor distributes, the material that wherein with the polyvinyl chloride is matrix is in the intermediate layer, the material that with the polyvinyl butyral resin is matrix is in both sides, and to die head, die head becomes three-layer co-extruded composite membrane sheet to the material stretching and extrudes the material of last two extruders by the distributor bout.Wherein the thickness of polyvinyl chloride layer is 0.304mm, and monolayer polyethylene butyral layer is 0.228mm.The thickness of whole composite bed is 0.76mm.Owing to there is the layering of multithread road composite membrane head to isolate, prevent that each layer storeroom from scurrying mutually.Mobile for material can be distributed uniformly at die head, before entering die head, must enter distributor, make material can on whole die head, obtain effectively distributing uniformly.
Curtain coating: adjust the film that comes out behind the thickness from the extruder die head and press decorative pattern through pressure roller, the surface temperature of roller is 15 ℃-30 ℃.The rotating speed of roller is 4m/min.
Cooling: with the cold wind cooling, temperature is 17 ℃.
Batch: control hauling speed well, reduce the internal stress of film.Speed is 4m/min.
The coextruded multilayer composite distributor that relates in the method is by die body 1 as shown in Figure 1, and subsidiary engine zonal flow rate adjustment structure 2, subsidiary engine shunting plug 3 are formed.Die body is provided with three charging runners, and one is the main frame charging, and two other is the subsidiary engine charging.Distributor mainly be by control subsidiary engine material PVC in goods PVB ratio and the uniformity distribution of finishing melt flow stream and evenly distribute, can adjust each parameter by regulating subsidiary engine zonal flow rate adjustment structure.Control well after material ratio and the distributed uniform, material enters die head (as shown in Figure 3) by distributor, in die head, after being stretched, extrudes material, owing on the die head multithread road is arranged, thus make different material can not mix mutually.Discharging after the die head place controls thickness well.
Also relate to die head in the present invention and go out the decorative pattern technology.The schematic diagram of die head nature Cheng Wen as shown in Figure 2.Because PVB belongs to thermoplastic, along with its mobile performance of rising of temperature can improve, when temperature rises to certain limit and makes PVB reach in the viscoplasticity scope, under the effect of the mould mouth place of die head steel, can form irregular decorative pattern, when leaving the mould mouth, cool off with chill roll, make decorative pattern 5 to settle out, reached the purpose of Cheng Wen.For the temperature that makes die head in continuous flow procedure keeps within the specific limits, oily cooling back installation 4 must be set in the die head both sides lead to oil cooling but, make die head temperature keep within the specific limits.Through verification experimental verification, when temperature during at 130 ℃-140 ℃, the surface has irregular pattern 5 to occur, and decorative pattern becomes coarse when temperature is low, and when temperature was high, it is smooth that the surface becomes, so 130 ℃-140 ℃ of preferential selections.
Embodiment 2
Take by weighing 2.3 kilograms of polyvinyl chloride, nanometer six calcium boride 3.33g, nano titanium oxide 11.53 grams, processing aid ACR-40134.5 gram, ultraviolet absorbent UV-531 9.2 grams, antioxidant irgafos-1689.2 gram, hindered amine as light stabilizer TINUVIN-770 11.5 grams, this is a component one; Take by weighing nanometer six calcium boride 5g, nano titanium oxide 17.3 grams, ultraviolet absorbent UV-531 12.5 grams, hindered amine as light stabilizer TINUVIN-770 7.5 grams, antioxidant irgafos-168 10 grams, 0.86 kilogram of triethylene glycol two tricaprylate, 3.45 kilograms of polyvinyl butyral resins.This is a component two.All the other experimentations are identical with example 1.
Embodiment 3
Take by weighing 2.76 kilograms of polyvinyl chloride, nanometer six calcium boride 4.97g, nano titanium oxide 22.08g, processing aid ACR-401 82.8 grams, ultraviolet absorbent UV-531 13.8 grams, antioxidant irgafos-168 13.8 grams, hindered amine as light stabilizer TINUVIN-770 16.6 grams, this is a component one; Take by weighing nanometer six calcium boride 6.21g, nano titanium oxide 27.6g, ultraviolet absorbent UV-531 17.25 grams, hindered amine as light stabilizer TINUVIN-770 20.7 grams, antioxidant irgafos-168 17.25 grams, 1.21 kilograms of triethylene glycol two tricaprylates, 3.45 kilograms of polyvinyl butyral resins.This is a component two.All the other experimentations are identical with example 1.
The comparative example 1
The nothing of 40cm * 40cm adds the layer glass of rupture pressure disc.
The comparative example 2
The laminated glass that contains common PVB intermediate coat of 40cm * 40cm.
The performance comparison experiment:
1, sound insulation experiment
The product of the foregoing description 1-3 and comparative example 1 and 2 is carried out the sound insulation experiment.
Make the sound insulation chest (shown in Figure 4) of 30cm * 30cm * 40cm, the structure of this sound proof box is that outermost layer is a boarding, and centre is foam layer, and nexine is an aluminum membranous layer, and the top layer of chest opens wide, and has one to enclose sealing ring on uncovered, and other seal.Place the noise that noisemeter 6 is measured in the case in chest, place given the test agent on uncovered, the loudspeaker that can regulate volume is placed at the 50cm place directly over chest, and volume is tested from 0-80dB.The data movement of record noisemeter.
The data such as the following table of test: data are the reading of noisemeter in the table, and unit is dB.Visual representation as shown in Figure 6.
| Sound source/dB | ??0 | ??10 | ??20 | ??30 | ??40 | ??50 | ??60 | ??70 | ??80 |
| The comparative example 1 | ??0 | ??8 | ??18 | ??26 | ??36 | ??48 | ??56 | ??60 | ??67 |
| The comparative example 2 | ??0 | ??6 | ??14 | ??23 | ??29 | ??36 | ??43 | ??53 | ??60 |
| Embodiment 1 | ??0 | ??5 | ??10 | ??17 | ??21 | ??29 | ??35 | ??44 | ??53 |
| Embodiment 2 | ??0 | ??4 | ??7 | ??11 | ??17 | ??22 | ??27 | ??35 | ??44 |
| Embodiment 3 | ??0 | ??4 | ??5 | ??8 | ??11 | ??17 | ??23 | ??29 | ??35 |
Can draw from above comparing result, when 80dB, the soundproof effect that contains soundproof and explosionproof film has improved 25dB than the double glazing maximum that contains PVB, has improved 32dB than common double glazing.Soundproof and explosionproof film of the present invention has more significant sound insulation value.
2, heat insulation experiment
The product of the foregoing description 1-3 and comparative example 1 and 2 is carried out heat insulation experiment.Specifically be the diaphragm of the diaphragm clip 40cm * 40cm that makes, this membrane layer is pressed into laminated glass, the thickness of every sheet glass is 2.3mm, be positioned on hot box (as shown in Figure 5) uncovered of 30cm * 30cm * 40cm, the structure of this hot box is that outermost layer is a boarding, and the centre is a foam layer, and nexine is an aluminum membranous layer, the top layer of chest opens wide, and other seal.Temperature in chest in the laying temperature instrumentation measuring tank.Be under 35 ℃ the temperature on the platform as for the sunlight direct projection in temperature, record is along with the growth thermometer variation of temperature of time.
Test data such as following table: data are the reading of thermometer in the table, and unit is ℃.Be converted into intuitively curve map as shown in Figure 7.
| ??0min | ??5min | ??10min | ??15min | ??20min | ??25min | |
| The comparative example 1 | ??35 | ??49 | ??58 | ??62 | ??64 | ??65 |
| The comparative example 2 | ??35 | ??45 | ??50 | ??55 | ??58 | ??60 |
| Embodiment 1 | ??35 | ??43 | ??45 | ??49 | ??49 | ??50 |
| Embodiment 2 | ??35 | ??39 | ??40 | ??42 | ??44 | ??45 |
| Embodiment 3 | ??35 | ??37 | ??39 | ??41 | ??43 | ??44 |
| ??30min | ??35min | ??40min | ??45min | ??50min | |
| The comparative example 1 | ??66 | ??67 | ??67 | ??68 | ??69 |
| The comparative example 2 | ??61 | ??61 | ??63 | ??63 | ??64 |
| Embodiment 1 | ??50 | ??51 | ??53 | ??53 | ??55 |
| Embodiment 2 | ??45 | ??48 | ??48 | ??50 | ??51 |
| Embodiment 3 | ??44 | ??46 | ??47 | ??47 | ??48 |
From above experimental result as can be seen, through 50 minutes solar radiation, the glass that contains heat-insulating anti-explosion membrane of the present invention reduced by 21 ℃ than the double glazing that does not contain the intermediate layer is minimum.
The foregoing description is a preferred implementation of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under spiritual essence of the present invention and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (10)
1. heat-insulating sound-insulating rupture pressure disc, it is characterized in that: be made of trilaminate material, the intermediate layer is a polyvinyl chloride, and the both sides surface layer is a polyvinyl butyral resin; Be added with infrared absorbent, ultra-violet absorber, hindered amine as light stabilizer and antioxidant in described intermediate layer and the side facing respectively; Described infrared absorbent is the mixture of nano titanium oxide and nanometer six calcium borides.
2. heat-insulating sound-insulating rupture pressure disc according to claim 1 is characterized in that: the quality proportioning of described polyvinyl butyral resin and polyvinyl chloride is 5: 4-2: 1.
3. heat-insulating sound-insulating rupture pressure disc according to claim 1, it is characterized in that: in the described intermediate layer, with the polyvinyl chloride quality is benchmark, the antioxidant addition is 0.05%-0.5%, the ultra-violet absorber addition is 01%-0.5%, the hindered amine as light stabilizer addition is 0.05%-0.6%, and the addition of nanometer six calcium borides is 0.06%-0.18%, and the addition of nano titanium oxide is 0.08%-0.8%.
4. heat-insulating sound-insulating rupture pressure disc according to claim 1, it is characterized in that: in the described side facing, with the polyvinyl butyral resin quality is benchmark, the antioxidant addition is 0.05%-0.5%, the ultra-violet absorber addition is 0.1%-0.5%, the hindered amine as light stabilizer addition is 0.05%-0.6%, and the addition of nanometer six calcium borides is 0.06%-0.18%, and the addition of nano titanium oxide is 0.08%-0.8%.
5. according to each described heat-insulating sound-insulating rupture pressure disc among the claim 1-4, it is characterized in that: in the described intermediate layer, also adding processing aid ACR-401, is benchmark with the polyvinyl chloride quality, and addition is 1%-3%.
6. according to each described heat-insulating sound-insulating rupture pressure disc among the claim 1-4, it is characterized in that: in the described side facing, be benchmark, also add triethylene glycol two tricaprylates of 10%-35% with the polyvinyl butyral resin quality.
7. according to each described heat-insulating sound-insulating rupture pressure disc among the claim 1-4, it is characterized in that: described ultra-violet absorber is that the special UV-531 of company of U.S.'s cyanogen is or/and vapour crust light stabilizer UV81; Described hindered amine as light stabilizer is that the TINUVIN-770 of production of Ciba company is or/and chimassorb-944; Irgafos-168 or irganox1010 that described antioxidant is produced for Ciba company.
8. each described heat-insulating sound-insulating rupture pressure disc among the claim 1-4, it is characterized in that: the thickness in described intermediate layer is 0.1mm-0.3mm, side facing is 0.1mm-0.3mm.
9. according to the production method of each described heat-insulating sound-insulating rupture pressure disc among the claim 1-8, it is characterized in that may further comprise the steps:
(1) batching: take by weighing intermediate layer and the required material component of side facing respectively in described ratio;
(2) stir: be stirred to material and be uniformly dispersed, control the change in concentration of each material in matrix and be no more than 4%; The temperature of control whipping process is not higher than 60 ℃;
(3) multi-layer co-extruded: intermediate layer and side facing material are dropped into two respectively in the same way in the feeding mouth of engagement type double screw extruder, and the temperature of extruder charge door is 〉=100 ℃, and the stage casing temperature is 130 ℃-190 ℃, 120 ℃-150 ℃ of discharging opening temperature; Material is through heating and the shearing of screw rod, mixing one-tenth molten condition, filter by net-changing device then, again by the measuring pump voltage stabilizing, entering distributor distributes, in the middle of the intermediate layer material is positioned at, the side facing material converges to die head in both sides by distributor, and die head becomes three-layer co-extruded composite membrane sheet to the material stretching and extrudes;
(4) curtain coating: adjust the film that comes out behind the thickness from the extruder die head and spend or natural Cheng Wen through roll-in; Described natural Cheng Wen be temperature by cooling device control die head at 130 ℃-140 ℃, when film leaves the mould mouth, cool off with chill roll, make the decorative pattern typing;
(5) cooling: with the cold wind cooling, temperature is 15 ℃-20 ℃;
(6) batch: hauling speed is controlled to be 1.5m/min-5m/min.
10. make the application in field at motor-vehicle glass window and building doors and windows according to each described heat-insulating sound-insulating rupture pressure disc among the claim 1-8.
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| CN103044827A (en) * | 2011-10-14 | 2013-04-17 | 武汉泓锦旭隆新材料有限公司 | PVB (polyvinyl butyral) film having sound-insulating property and preparation method thereof |
| CN103044827B (en) * | 2011-10-14 | 2015-02-04 | 武汉泓锦旭隆新材料有限公司 | PVB (polyvinyl butyral) film having sound-insulating property and preparation method thereof |
| CN105329006A (en) * | 2011-11-28 | 2016-02-17 | 广东天安新材料股份有限公司 | Embossing synchronization method and equipment |
| CN103483719B (en) * | 2013-08-28 | 2016-04-13 | 杭州正奥科技有限公司 | A kind of thermal isolation film that can repeatedly paste and manufacture method |
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